./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ceb2af5016fd0ad74653237fbc44a2b3541e4ff971325e3807dab6f19c05af6d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:35:37,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:35:37,199 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:35:37,204 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:35:37,205 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:35:37,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:35:37,232 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:35:37,232 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:35:37,233 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:35:37,234 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:35:37,234 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:35:37,235 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:35:37,235 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:35:37,236 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:35:37,237 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:35:37,237 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:35:37,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:35:37,239 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:35:37,239 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:35:37,240 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:35:37,241 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:35:37,241 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:35:37,242 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:35:37,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:35:37,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:37,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:35:37,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:35:37,245 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:35:37,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:35:37,246 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ceb2af5016fd0ad74653237fbc44a2b3541e4ff971325e3807dab6f19c05af6d [2023-11-19 03:35:37,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:35:37,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:35:37,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:35:37,577 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:35:37,578 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:35:37,579 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c [2023-11-19 03:35:40,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:35:41,307 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:35:41,308 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c [2023-11-19 03:35:41,318 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/data/03b107621/cfaa7dda770b40b7b095b331ee57c07a/FLAG38f7c3345 [2023-11-19 03:35:41,334 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/data/03b107621/cfaa7dda770b40b7b095b331ee57c07a [2023-11-19 03:35:41,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:35:41,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:35:41,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:41,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:35:41,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:35:41,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:41" (1/1) ... [2023-11-19 03:35:41,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@311576ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:41, skipping insertion in model container [2023-11-19 03:35:41,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:41" (1/1) ... [2023-11-19 03:35:41,381 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:35:41,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:41,654 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:35:41,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:41,697 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:41,698 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:41,707 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:35:41,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:41 WrapperNode [2023-11-19 03:35:41,708 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:41,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:41,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:35:41,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:35:41,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:41" (1/1) ... [2023-11-19 03:35:41,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:41" (1/1) ... [2023-11-19 03:35:41,767 INFO L138 Inliner]: procedures = 25, calls = 56, calls flagged for inlining = 17, calls inlined = 19, statements flattened = 259 [2023-11-19 03:35:41,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:41,768 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:35:41,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:35:41,769 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:35:41,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:41" (1/1) ... [2023-11-19 03:35:41,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:41" (1/1) ... [2023-11-19 03:35:41,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:41" (1/1) ... [2023-11-19 03:35:41,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:41" (1/1) ... [2023-11-19 03:35:41,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:41" (1/1) ... [2023-11-19 03:35:41,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:41" (1/1) ... [2023-11-19 03:35:41,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:41" (1/1) ... [2023-11-19 03:35:41,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:41" (1/1) ... [2023-11-19 03:35:41,815 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:35:41,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:35:41,817 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:35:41,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:35:41,818 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:41" (1/1) ... [2023-11-19 03:35:41,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:41,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:35:41,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:35:41,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:35:41,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:35:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:35:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:35:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:35:41,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:35:41,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:35:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:35:41,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:35:41,926 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:35:41,926 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:35:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:35:41,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:35:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:35:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:35:41,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:35:41,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:35:41,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:35:41,932 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:35:42,079 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:35:42,082 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:35:42,719 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:35:43,009 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:35:43,010 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:35:43,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:43 BoogieIcfgContainer [2023-11-19 03:35:43,019 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:35:43,024 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:35:43,024 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:35:43,036 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:35:43,037 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:43" (1/1) ... [2023-11-19 03:35:43,038 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:35:43,053 INFO L158 Benchmark]: Toolchain (without parser) took 1712.22ms. Allocated memory is still 161.5MB. Free memory was 131.3MB in the beginning and 118.4MB in the end (delta: 13.0MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2023-11-19 03:35:43,054 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:35:43,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.86ms. Allocated memory is still 161.5MB. Free memory was 131.3MB in the beginning and 119.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:35:43,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.88ms. Allocated memory is still 161.5MB. Free memory was 119.1MB in the beginning and 116.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:35:43,059 INFO L158 Benchmark]: Boogie Preprocessor took 47.01ms. Allocated memory is still 161.5MB. Free memory was 116.4MB in the beginning and 114.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:35:43,060 INFO L158 Benchmark]: RCFGBuilder took 1204.69ms. Allocated memory is still 161.5MB. Free memory was 114.3MB in the beginning and 119.0MB in the end (delta: -4.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 03:35:43,061 INFO L158 Benchmark]: CodeCheck took 26.85ms. Allocated memory is still 161.5MB. Free memory was 119.0MB in the beginning and 118.4MB in the end (delta: 697.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:35:43,073 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.86ms. Allocated memory is still 161.5MB. Free memory was 131.3MB in the beginning and 119.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.88ms. Allocated memory is still 161.5MB. Free memory was 119.1MB in the beginning and 116.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.01ms. Allocated memory is still 161.5MB. Free memory was 116.4MB in the beginning and 114.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1204.69ms. Allocated memory is still 161.5MB. Free memory was 114.3MB in the beginning and 119.0MB in the end (delta: -4.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * CodeCheck took 26.85ms. Allocated memory is still 161.5MB. Free memory was 119.0MB in the beginning and 118.4MB in the end (delta: 697.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:35:43,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ceb2af5016fd0ad74653237fbc44a2b3541e4ff971325e3807dab6f19c05af6d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:35:45,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:35:45,833 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-19 03:35:45,866 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:35:45,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:35:45,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:35:45,869 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:35:45,869 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:35:45,870 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:35:45,870 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:35:45,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:35:45,872 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:35:45,872 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:35:45,873 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:35:45,873 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:35:45,874 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:35:45,874 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:35:45,875 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:35:45,875 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:35:45,876 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:35:45,877 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:35:45,877 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:35:45,878 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:35:45,878 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:35:45,879 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:35:45,879 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:35:45,879 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:35:45,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:45,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:35:45,881 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:35:45,881 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:35:45,882 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:35:45,882 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:35:45,882 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:35:45,883 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ceb2af5016fd0ad74653237fbc44a2b3541e4ff971325e3807dab6f19c05af6d [2023-11-19 03:35:46,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:35:46,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:35:46,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:35:46,309 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:35:46,310 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:35:46,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c [2023-11-19 03:35:50,026 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:35:50,320 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:35:50,321 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c [2023-11-19 03:35:50,336 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/data/6b5a24b36/75bf01b5013e4308a61931357c96b298/FLAGba120c321 [2023-11-19 03:35:50,360 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/data/6b5a24b36/75bf01b5013e4308a61931357c96b298 [2023-11-19 03:35:50,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:35:50,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:35:50,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:50,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:35:50,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:35:50,382 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:50" (1/1) ... [2023-11-19 03:35:50,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b6256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:50, skipping insertion in model container [2023-11-19 03:35:50,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:50" (1/1) ... [2023-11-19 03:35:50,432 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:35:50,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:50,848 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 03:35:50,854 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:35:50,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:50,889 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:35:50,926 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:50,940 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:50,940 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:35:50,950 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:35:50,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:50 WrapperNode [2023-11-19 03:35:50,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:50,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:50,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:35:50,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:35:50,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:50" (1/1) ... [2023-11-19 03:35:50,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:50" (1/1) ... [2023-11-19 03:35:51,018 INFO L138 Inliner]: procedures = 27, calls = 56, calls flagged for inlining = 17, calls inlined = 19, statements flattened = 252 [2023-11-19 03:35:51,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:51,020 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:35:51,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:35:51,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:35:51,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:50" (1/1) ... [2023-11-19 03:35:51,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:50" (1/1) ... [2023-11-19 03:35:51,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:50" (1/1) ... [2023-11-19 03:35:51,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:50" (1/1) ... [2023-11-19 03:35:51,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:50" (1/1) ... [2023-11-19 03:35:51,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:50" (1/1) ... [2023-11-19 03:35:51,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:50" (1/1) ... [2023-11-19 03:35:51,068 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:50" (1/1) ... [2023-11-19 03:35:51,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:35:51,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:35:51,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:35:51,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:35:51,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:50" (1/1) ... [2023-11-19 03:35:51,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:51,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:35:51,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:35:51,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:35:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:35:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:35:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:35:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:35:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 03:35:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 03:35:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 03:35:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 03:35:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 03:35:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 03:35:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:35:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:35:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:35:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:35:51,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:35:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:35:51,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:35:51,201 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:35:51,412 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:35:51,415 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:35:52,453 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:35:52,730 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:35:52,730 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:35:52,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:52 BoogieIcfgContainer [2023-11-19 03:35:52,738 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:35:52,740 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:35:52,741 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:35:52,754 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:35:52,754 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:52" (1/1) ... [2023-11-19 03:35:52,756 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:35:52,761 INFO L158 Benchmark]: Toolchain (without parser) took 2388.01ms. Allocated memory was 69.2MB in the beginning and 111.1MB in the end (delta: 41.9MB). Free memory was 35.7MB in the beginning and 41.0MB in the end (delta: -5.3MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2023-11-19 03:35:52,762 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 69.2MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:35:52,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 577.13ms. Allocated memory was 69.2MB in the beginning and 111.1MB in the end (delta: 41.9MB). Free memory was 35.4MB in the beginning and 78.4MB in the end (delta: -43.0MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2023-11-19 03:35:52,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.68ms. Allocated memory is still 111.1MB. Free memory was 78.4MB in the beginning and 76.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:35:52,765 INFO L158 Benchmark]: Boogie Preprocessor took 54.22ms. Allocated memory is still 111.1MB. Free memory was 76.1MB in the beginning and 73.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:35:52,766 INFO L158 Benchmark]: RCFGBuilder took 1663.17ms. Allocated memory is still 111.1MB. Free memory was 73.7MB in the beginning and 41.7MB in the end (delta: 31.9MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2023-11-19 03:35:52,767 INFO L158 Benchmark]: CodeCheck took 19.50ms. Allocated memory is still 111.1MB. Free memory was 41.7MB in the beginning and 41.0MB in the end (delta: 677.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:35:52,771 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 69.2MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 577.13ms. Allocated memory was 69.2MB in the beginning and 111.1MB in the end (delta: 41.9MB). Free memory was 35.4MB in the beginning and 78.4MB in the end (delta: -43.0MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.68ms. Allocated memory is still 111.1MB. Free memory was 78.4MB in the beginning and 76.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.22ms. Allocated memory is still 111.1MB. Free memory was 76.1MB in the beginning and 73.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1663.17ms. Allocated memory is still 111.1MB. Free memory was 73.7MB in the beginning and 41.7MB in the end (delta: 31.9MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * CodeCheck took 19.50ms. Allocated memory is still 111.1MB. Free memory was 41.7MB in the beginning and 41.0MB in the end (delta: 677.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:35:52,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b9d0e11-c990-421f-8356-f339026d435e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported